Annuity Calculation for Lease Payments: A company leases office space for $5,000 per month for ten years with payments due at the beginning of each month. However, the lease contract includes an escalation clause, increasing the lease payments by 3% annually. Using an annual discount rate of 8%, calculate the present value of the lease payments, considering the changing payment amounts over the lease term. Discuss how lease escalation clauses impact lease valuation and financial decision-making.